Home / 740,483.39-1,111,126.95-314,258.96

Finding the Fourth Proportional to 740,483.39, 1,111,126.95 and 314,258.96

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Solution

The fourth proportional to 740,483.39, 1,111,126.95 and 314,258.96 is: 471,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,483.39 : 1,111,126.95 = 314,258.96 : x
  2. Step 2: Convert to fraction form
    740,483.39/1,111,126.95 = 314,258.96/x
  3. Step 3: Cross multiply
    740,483.39x = 1,111,126.95 × 314,258.96
  4. Step 4: Simplify right side
    740,483.39x = 349,181,602,512.79
  5. Step 5: Solve for x
    x = 349,181,602,512.79/740,483.39
  6. Step 6: Final answer
    x = 471,558.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.